This is basically Mysql error 1146. There are multiple reasons and catalyst to this error. Some of the causes to error 1146 are stated below:
InnoDB crash and missing data files, Corruption in data tables, Improper directory accessing permissions, .frm file missing.
You could try a few things here:
• First try to restart your MySQL server:
If the error has happened due to improper server shut down or MySQL service-related errors, we restart the service and check if it fixes the issue. If the service doesn’t start properly, we further investigate and fix the error.
• Try to Repair the tables:
repair table Table_name;
• Try restoring a backup of your database:
If none of those helps, then you would need to look into copying your ibdata file from a backup or enabling InnoDB crash recovery. Though before starting with those make sure to have a good backup of all of your databases.
• Rely on Third-party Tools:
If still, the SQL error 1146 is taking place, you should go for a professional tool rather than relying on the DIYs. You can use MySQL Data Recovery tools like Stellar Repair for Mysql. It is the best tool to recover the corrupt tables and to fix MySQL code 1146 ‘table doesn’t exist’.
I’ve tried to give you some quick remedies and DIYs to resolve this error. Try your best and keeping the backup of data is the best precaution you can take.